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English: Operation Crossroads was an atmospheric nuclear weapon test series conducted by the United States in the summer of 1946. The series consisted of two detonations, each with a yield of 21 kilotons: ABLE detonated at an altitude of 520 feet (158 m) on 1 July 1946; BAKER detonated 90 feet (27 m) underwater on 25 July 1946.
GILDA (30 June 1946)
View of the USS Independence (CVL-22)'s port quarter, showing severe blast damage caused by the "Gilda" nuclear bomb air burst at Bikini on 1 July 1946. Photographed at Bikini anchorage on 23 July 1946.